Case for an electronic cigarette



FIG. 1 is a back right side perspective view of the case for an electronic cigarette;

FIG. 2 is a front left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a back view thereof. 

CLAIM The ornamental design for a case for an electronic cigarette, as shown and described. 